Research, development, production, and sales of: electrical equipment, power equipment, power transmission and distribution control equipment, electronic equipment, rolling stock parts, automotive parts, computers and auxiliary equipment, environmental protection equipment, testing equipment and accessories, communication equipment, specialized electrical equipment for urban rail transit, printing equipment and accessories, system integration; providing technical development, technical transfer, technical consulting, and technical services for the above products; software development; design, development, investment, construction, and operation of new energy power generation projects; self-operated and agency import and export of various commodities and technologies. General items: non-residential real estate leasing.